CVE-2021-39202

High

Description

WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. In affected versions the widgets editor introduced in WordPress 5.8 beta 1 has improper handling of HTML input in the Custom HTML feature. This leads to stored XSS in the custom HTML widget. This has been patched in WordPress 5.8. It was only present during the testing/beta phase of WordPress 5.8.

SeverityHigh
CVSS7.6
Exploit probability57. percentile0.8%
ProductWordpress
PublishedSep 9, 2021
First seenSep 9, 2021

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
wordpress wordpress5.8—

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CVE-2021-39202 · Wordpress · Dark Radar